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QOTD#11 Airline departures by country in 1990

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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4704
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 90

Kudos [?]: 1596 [0], given: 373

CAT Tests
QOTD#11 Airline departures by country in 1990 [#permalink] New post 27 Nov 2016, 14:37
Expert's post
00:00

Question Stats:

50% (02:46) correct 50% (03:09) wrong based on 2 sessions
Image




7. By approximately what percent did the total number of departures increase from 1990 to 2001?
A. 33%
B. 50%
C. 66%
D. 133%
E. 150%

[Reveal] Spoiler: OA
B


8. If the nine individually listed countries (excluding those characterized as “All Others”) are ranked from highest to lowest by number of departures in 1990, how many countries ranked lower in 2001 than in 1990?

ENTER the value []

[Reveal] Spoiler: OA
3



Drill 1
Question: 7, 8
Page: 456-455


[Reveal] Spoiler: Img
Attachment:
di new.jpg
di new.jpg [ 78.26 KiB | Viewed 1555 times ]

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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4704
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 90

Kudos [?]: 1596 [0], given: 373

CAT Tests
Re: QOTD#11 Airline departures by country in 1990 [#permalink] New post 27 Nov 2016, 14:42
Expert's post
Explanation

Question 7 Round the values and use the percent change formula to approximate the answer; ignore the millions, because they are in both numbers. The percent change formula is \(\frac{1}{3}*100\) so \(\frac{(18-12)}{12}*100 =50%\).

Hence option B is correct

Question 8 The chart already ranks the countries in order in 1990. In 2001, the rankings were:
US—1st;
UK—2nd;
France—5th;
Germany—4th;
Japan—7th;
Brazil—6th;
China—3rd;
Spain—9th;
and Australia—8th.

Only three countries—France, Japan, and Spain—ranked lower in 2001 than they did in 1990, making the answer 3.

Hence 3 is the correct option
_________________

Sandy
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QOTD#11 Airline departures by country in 1990

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